18899941372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1627}}^1\times {\mathrm{1759}}^1$

素因数の和:3530

約数の個数: 48

約数和(自身を含む): 35942072320

約数和(自身を除く): 17042130948

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1627, 1651, 1759, 3254, 3302, 3518, 6508, 6604, 7036, 21151, 22867, 42302, 45734, 84604, 91468, 206629, 223393, 413258, 446786, 826516, 893572, 2686177, 2861893, 2904109, 5372354, 5723786, 5808218, 10744708, 11447572, 11616436, 37204609, 74409218, 148818436, 363460411, 726920822, 1453841644, 4724985343, 9449970686, 18899941372]

約数ペア:

[(1, 18899941372), (2, 9449970686), (4, 4724985343), (13, 1453841644), (26, 726920822), (52, 363460411), (127, 148818436), (254, 74409218), (508, 37204609), (1627, 11616436), (1651, 11447572), (1759, 10744708), (3254, 5808218), (3302, 5723786), (3518, 5372354), (6508, 2904109), (6604, 2861893), (7036, 2686177), (21151, 893572), (22867, 826516), (42302, 446786), (45734, 413258), (84604, 223393), (91468, 206629)]